Hi, my Macbook Pro, I believe it's from 2009 does not work without it's charger. As in it complete shuts off when I take it out, and then I have to reboot it when I plug it back in. The peculiar thing is that my clock always reset to Sunday January 1st, 2000, and my Wifi is never remember. Other than that, it functions normally for the most part. I don't think this has to do with the battery, but it also says that the Battery is never charging. Anyone have any advice on how I can fix this? I am willing to fix it on my own if it is a physical hardware problem. Thank you so much in advance.